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JULABO Refrigerated & Heating Circulators of the new CORIO™ series distinguish themselves with a great price-to-performance ratio. They are ideal for all standard tasks and routine work in laboratories and industry.


Your advantages

  • Models for internal and external applications
  • Bright, white, easy to read display
  • Very quiet
  • Easy pump change-over (internal and external circulation)
  • External pump connections (M16x1)
  • USB connection
  • Space-saving cooling coil design yields more usable space in the bath tank
  • Bath lid and drain tap included
  • Removable ventilation grid
  • Refrigeration unit without side vents
  • Class III (FL) according to DIN 12876-1


Technical Data


Order No. 9012703
Model series CORIO
Category Refrigerated - Heating Circulators
Working temperature range (°C) -25 ... +150
Temperature control (°C) PID
Temperature stability (°C) ± 0.03
Setting / display resolution 0.1 °C
Temperature Display LED
Heating capacity (kW) 2
Cooling capacity (Medium Ethanol)
20 °C 0.31 kW
0 °C 0.28 kW
-20 °C 0.11 kW
Pump capacity flow rate (l/min) 15
Pump capacity flow pressure (bar) 0.35
Bath opening / bath depth (W x L / D cm) 13x15/15
Pump connection M16x1
Barbed fittings diameter (inner dia. / mm) 8/12
Filling volume (liters) 3 ... 4
Refrigerant R134a
Ambient temperature 5 ... 40 °C
Dimensions W x L x H (cm) 24 x 42 x 66
Weight (kg) 28
Included with each unit 2 each barbed fitting for tubing 8 and 12 mm inner dia. (pump connections M16x1 male)
Bath tank Stainless steel
Bath cover Integrated
Cooling of compressor Air


100% Checked
100% testing. 100% quality. Each CORIO™ undergoes thorough quality testing before leaving the factory.
Absolute Temperature Calibration, 1-point calibration (CD).
Bright display with strong illumination can be viewed easily from a long distance.
Cleaning. Easy.
Not only do the new units look good. The functional design makes cleaning a breeze.
One for all. Control the circulator and the refrigeration unit with only one power switch.
Condensation protection
Superb design solution. Integrated ventilation directs air over the bath lid and minimizes condensation.
Connection. Easy
Inclined pump connections (M16x1) facilitate the connection of applications. Each unit includes 2 barbed fittings of 8/12 mm diameter each.
Everything at the front
All operating controls and safety functions are accessed easily and comfortably from the front.
You can rely on it. PID1 control and 'Active Cooling Control' make the new CORIO™ precise and perfect.
Green technology
Development consistently applied environmentally friendly materials and technologies.
Handle with ease
Makes day-to-day work easy. Comfortably move your CORIO™ around by using the ergonomic handles (front and rear).
Internal. External.
The pump is controlled via a lever located directly below the display. Easily change between internal and external circulation.
JULABO. Quality
Highest standards of quality for a long product life.
Locked In
The lockable power plug guarantees safe connection. More process safety.
Maintenance. Friendly.
The front magnetic grid can be removed easily for user-friendly cleaning and maintenance. Without tools.
Extra easy handling. Integrated castors for easy repositioning of refrigerated circulators. (CD-600F, CD-601F, CD-900F, CD-1000F, CD-1001F)
Modern. Reliable.
High-grade components in every CORIO™ – platinum sensors, proven motor technology, CAN-Bus communication and much more.
More Bath
Designed for more comfort. Thanks to the recessed cooling coil, the internal bath provides more space.
No sweat
CORIO™ works robust and reliable – even at ambient temperatures of up to +40 °C.
Quick start
Individual JULABO consultation and comprehensive manuals at your disposal.
CORIO™ CD complies with Class III (FL) according to DIN 12876-1 and switches off automatically in case of high temperature or low liquid level alarm.
Satisfied customers
11 subsidiaries and more than 100 partners worldwide guarantee fast and qualified JULABO support.
Saves energy
As you desire. Various modes for the refrigeration unit: permanently on, permanently off, or on as refrigeration is needed.
Services 24/7
Around the clock availability. You can find suitable accessories, data sheets, manuals, case studies, and more at
Soft. Quite
CORIO™ circulators are cushion mounted. Protects the electronics. Reduces operating noise and vibration.
Minimized energy loss through high-quality insulation.
Space saving. Free up space.
Place your CORIO™ right next to an application, another unit, or wall. That saves space. This is made possible by eliminating vents and connections on the sides.
Rubber feet allow for a secured footing of your CORIO™ to prevent damage to your laboratory equipment.
Switch on. And off you go.
Intelligent operation concept. Ready for operation with just a few quick and easy steps.
The special drain tap for easy draining of bath fluids without tools.
Touching permitted
Optimum safety. The ergonomic plastic handle protects your fingers from hot surfaces.
Specially designed pyramids ensure that the condensed liquid drips directly back into the bath.
Remote control made easy. CORIO™ CD circulators feature a USB connection.




Technical changes without prior notification. Images may deviate from the original.